these 3 derivations will be built:
  /nix/store/r5rnafy308mykfnv614km2zaghhlxchh-letta-code-src-with-lock.drv
  /nix/store/dsw5wd0m2ir0203m6rhgqppjpz1i6p1y-letta-code-0.31.7-npm-deps.drv
  /nix/store/blfzbcc84pv9fw33s49i6cd39p8d5ljb-letta-code-0.31.7.drv